Incenter Circumcenter

Autor:ganeshie8

Let Γ be the circumcircle of ΔABC and let D be the midpoint of the arc BC. Prove that the incenter I of ΔABC lies on the circle centered at D that goes through B.

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Hypocycloids
רישום חופשי
Involute of the Circle
apec
दुई-ओटा समुहको संयोजन (Union of two sets)

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Example 2
true/triangle-areas.ggb
Area & Volume
Cosecant
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